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42 salt forms of tyramine: structural comparison and the occurrence of hydrate formation

DOI: 10.1107/S0108768112026456 DOI Help
PMID: 22810915 PMID Help

Authors: Naomi E. B. Briggs (Department of Pure and Applied Chemistry, University of Strathclyde, U.K) , Alan R. Kennedy (University of Strathclyde) , Catriona A. Morrison (Department of Pure and Applied Chemistry, University of Strathclyde, U.K.)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Acta Crystallographica Section B Structural Science , VOL 68 (4) , PAGES 453 - 464

State: Published (Approved)
Published: August 2012
Diamond Proposal Number(s): 987

Abstract: The single-crystal diffraction structures of 38 salt forms of the base tyramine (4-hydroxyphenethylamine) are reported for the first time. Together with literature examples, these structures are discussed with respect to cation conformation, cation packing, hydrogen bonding and hydrate formation. It is found that isostructural cation packing can occur even with structurally different anions, with different hydration states and with different hydrogen bonding. Hydrate formation is found to be more likely both (i) when there is an increase in the total number of potential hydrogen bond acceptor and donor atoms; and (ii) when the ratio of potential hydrogen bond donor to acceptor atoms is low.

Journal Keywords: Hydrates; Tyramine Salts

Subject Areas: Chemistry, Biology and Bio-materials


Instruments: I19-Small Molecule Single Crystal Diffraction